function dibujaHetE3(self)
    [MAG,PHASE,W] = bode(self.Hetelegido(self.etapaagraficar));

    W=squeeze(W);

    w=logspace(log10(W(1)),log10(W(end)),1000);
    [MAG,PHASE] = bode(self.Hetelegido(self.etapaagraficar),w);
    MAG = squeeze (MAG);
    
    semilogx(self.handles.het,w/self.unidades,20*log10(MAG));

end